e
* a) Three phases are connected together at the start point
* b) Three phases are separate
* c) Neutral conductor is connected to a single phase
* d) Neutral conductor is electrically separated
Answer - a
2. A single-phase double-wound transformer consists of
* a) A single core moun...
1. In a star connected three phase transformer the
* a) Three phases are connected together at the start point
* b) Three phases are separate
* c) Neutral conductor is connected to a single phase
* d) Neutral conductor is electrically separated
Answer - a
2. A single-phase double-wound transformer consists of
* a) A single core mounted winding
* b) A winding that carries the difference between IP and IS
* c) A single solid core
* d) Two electrically separated coils
Answer - d
3. One method of insulating windings is to use
* a) Shelac
* b) High reluctance silicon steel
* c) Low frequency dust cores
* d) PVC
Answer - a
4. The usual method of insulating core laminations is
* a) Low reluctance silicon steel
* b) Surface oxidization
* c) High frequency air cores
* d) Cellulose paper
http://interviewquestionsanswers.org/_Electrical-Engineering 1/28
,9/15/2017 Role-specific Electrical Engineering Interview Questions and Answers
Answer - b
5. If a motor is required to start against a large starting current, it is usual to use
* a) Direct on line starter
* b) Face plate starter
* c) Step down centre tapped starter
* d) Rotor resistance starter
Answer - d
6. In a shunt-wound motor the field coil is connected in
* a) Series with the armature
* b) Series with the motor
* c) parallel with the armature
* d) parallel with the motor
Answer - c
7. When the field windings of an electrical machine are not connected to its own armature, it is
known as
* a) Self- excited
* b) Polyphase
* c) Separately-excited
* d) Synchronous
Answer - c
8. With a star-delta starter, the windings are brought out to a terminal box. The voltage applied to the
windings at starting is
* a) VL ÷ v3
* b) VL x v3
* c) VPhase ÷ v3
* d) VPhase x v3
Answer - a
9. Particular starting arrangements are used when a motor has a rating greater than
* a) 370 microwatts
* b) 0.37 watts
* c) 37 watts
* d) 370 watts
, 9/15/2017 Role-specific Electrical Engineering Interview Questions and Answers
Answer - d
10. An isolator built into a panel is used for
* a) Normal load switching
* b) Fault load switching
* c) Short circuit protection
* d) No load switching
Answer - d
Download Interview PDF
11. A device with a BS EN number has been
* a) Agreed for use only within the UK
* b) Agreed for operational use within the EU
* c) Standardized for all operational uses only in the UK
* d) Standardized for use in the EU
Answer - d
12. Q8 BS 7671 provides appropriate advice on
* a) Heights of panels
* b) Design of panels
* c) Environmental conditions
* d) Instrumentation
Answer - c
13. What degree of protection is specified for protection against a BS finger?
* a) IP4XB
* b) IP5XB
* c) IP6XB
* d) IPXXB
Answer - d
14. Which of the following is statutory?
* a) BS 7671
* b) On-Site Guide
* c) Electricity at Work Regulations
* d) GS 38
Les clients de Stuvia ont évalués plus de 700 000 résumés. C'est comme ça que vous savez que vous achetez les meilleurs documents.
L’achat facile et rapide
Vous pouvez payer rapidement avec iDeal, carte de crédit ou Stuvia-crédit pour les résumés. Il n'y a pas d'adhésion nécessaire.
Focus sur l’essentiel
Vos camarades écrivent eux-mêmes les notes d’étude, c’est pourquoi les documents sont toujours fiables et à jour. Cela garantit que vous arrivez rapidement au coeur du matériel.
Foire aux questions
Qu'est-ce que j'obtiens en achetant ce document ?
Vous obtenez un PDF, disponible immédiatement après votre achat. Le document acheté est accessible à tout moment, n'importe où et indéfiniment via votre profil.
Garantie de remboursement : comment ça marche ?
Notre garantie de satisfaction garantit que vous trouverez toujours un document d'étude qui vous convient. Vous remplissez un formulaire et notre équipe du service client s'occupe du reste.
Auprès de qui est-ce que j'achète ce résumé ?
Stuvia est une place de marché. Alors, vous n'achetez donc pas ce document chez nous, mais auprès du vendeur StudyCenter1. Stuvia facilite les paiements au vendeur.
Est-ce que j'aurai un abonnement?
Non, vous n'achetez ce résumé que pour €16,13. Vous n'êtes lié à rien après votre achat.
